Google Chrome 38.0.2125.7 Web Workers use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.4$5k-$25k0.00

A vulnerability classified as critical was found in Google Chrome 38.0.2125.7 (Web Browser). This vulnerability affects some unknown processing of the component Web Workers. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in the Web Workers implementation in Google Chrome before 38.0.2125.101 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

The weakness was published 10/07/2014 by Collin Payne (Cloudfuzzer) with OUSPG as Stable Channel Update, October 2014 as confirmed release notes (Website). The advisory is shared for download at googlechromereleases.blogspot.com. This vulnerability was named CVE-2014-3194 since 05/03/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 78104 (FreeBSD : chromium -- multiple vulnerabilities (d2bbcc01-4ec3-11e4-ab3f-00262d5ed8ee)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195644 (Ubuntu Security Notification for Oxide-qt Vulnerabilities (USN-2345-1)).

Upgrading to version 38.0.2125.101 eliminates this vulnerability. The upgrade is hosted for download at chrome.google.com. Applying a patch is able to eliminate this problem. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability. The release notes contains the following remark:

This update includes 159 security fixes, including 113 relatively minor fixes found using MemorySanitizer.

The vulnerability is also documented in the databases at X-Force (96963) and Tenable (78104). Additional details are provided at chromium.googlesource.com. Similar entries are available at 67475, 67476, 67774 and 67775.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78104
Nessus Name: FreeBSD : chromium -- multiple vulnerabilities (d2bbcc01-4ec3-11e4-ab3f-00262d5ed8ee)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802470
OpenVAS Name: Google Chrome Multiple Vulnerabilities - 01 Oct14 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: Chrome 38.0.2125.101

Timelineinfo

05/03/2014 🔍
10/07/2014 +157 days 🔍
10/07/2014 +0 days 🔍
10/07/2014 +0 days 🔍
10/08/2014 +1 days 🔍
10/08/2014 +0 days 🔍
10/09/2014 +1 days 🔍
10/12/2014 +3 days 🔍
10/13/2014 +1 days 🔍
02/21/2022 +2688 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: Stable Channel Update, October 2014
Researcher: Collin Payne (Cloudfuzzer)
Organization: OUSPG
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3194 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 96963 - Google Chrome Web Workers code execution, Medium Risk
SecurityTracker: 1030980
Vulnerability Center: 46399 - Google Chrome Remote DoS due to Use-after-free Vulnerability in the Web Workers Implementation - CVE-2014-3194, High
SecurityFocus: 70273 - Google Chrome Prior to 38.0.2125.101 Multiple Security Vulnerabilities

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/13/2014 12:15
Updated: 02/21/2022 17:23
Changes: 10/13/2014 12:15 (83), 06/08/2017 09:13 (11), 02/21/2022 17:23 (3)
Complete: 🔍

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